PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-22:42:50
G08     319.7          12.2                8.4 +/-    2.09      22.3 +/-    2.09  0.030 / 0.040
G10     306.4          54.6               10.3 +/-    0.95      12.3 +/-    0.95  0.030 / 0.040
G14     211.9          16.2               15.3 +/-    3.98      36.9 +/-    3.98  0.080 / 0.080
G15     46.1           28.4                8.4 +/-    0.69      15.3 +/-    0.69  0.070 / 0.100
G20     6.1            64.8               10.9 +/-    0.84      11.9 +/-    0.84  0.100 / 0.340
G21     111.8          70.3               12.9 +/-    0.75      13.6 +/-    0.75  0.110 / 0.300
G24     88.6           27.9               11.7 +/-    1.34      21.4 +/-    1.34  0.090 / 0.150
G27     294.8          35.8               11.7 +/-    1.33      18.3 +/-    1.33  0.080 / 0.140
G32     213.0          38.9               14.1 +/-    1.03      20.9 +/-    1.03  0.110 / 0.290